. (2002). . (e123841). Strategy, 10(3), e123841
. "" .e123841 , Strategy, 10, 3, 2002, e123841.
. (2002). '', Strategy, 10(3), e123841.
, "," Strategy, 10 3 (2002): e123841,
. . Strategy. 2002;10(3):e123841 (In Persian).
